 I may not be as smart as I used to be, I may not be as fast as I used to be, but by golly, when you get knocked down, you get back up. That is what Joe Biden said, jumping back onto the campaign trail with a quote, renewed energy. Apparently the lie that he had a cold at the debate disappeared within 12 hours after that disastrous debate. And so Joe Biden went out there and he's fired up.